Principal Engineer, System Design

TerraPower

Bellevue (WA)

On-site

USD 168,316 - 252,475

Full time

14 days+

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Job summary

TerraPower in Bellevue, Washington, seeks a Principal Engineer, System Design, to advance the Natrium Demonstration Project. You will lead the design of reactor primary systems and collaborate with multidisciplinary teams to deliver safe, reliable, and licensable solutions.

This high‑impact role emphasizes systems architecture, design documentation, and interfaces with suppliers, regulators, and project management to progress toward commercial deployment.

Qualifications

15+ years of relevant experience in mechanical design and systems integration.
Experience with nuclear or similar complex industrial applications.
Strong writing, communication, and presentation skills.

Responsibilities

Drive alignment across multidisciplinary engineering teams to define and refine system requirements.
Design nuclear and industrial mechanical systems, including: requirements definition, analysis, specifications, and system drawings.
Develop and maintain system architecture and design documentation (e.g., Design Basis Documents, P&IDs, Interface Control Documents).
Interface with and support licensing activities needed to obtain construction and operating licenses.

Skills

15+ years experience in mechanical设计

Education

B.S. in Mechanical Engineering

Tools

Design control tools

Job description

TerraPower is a nuclear technology company based in Bellevue, Washington. At its core, the company is working to raise living standards globally through a more affordable, secure, and environmentally friendly form of nuclear energy along with innovations in medical isotopes to improve human health. In 2006, TerraPower originated with Bill Gates and a group of like-minded visionaries who evaluated the fundamental challenges to raising living standards around the world. They recognized energy access was crucial to the health and economic well-being of communities and decided that the private sector needed to take action and create energy sources that would advance global energy deployment. TerraPower's mission is to be a world leader in new nuclear technologies, while developing innovators and future leaders in the nuclear field. As a result, the company's activities in the fields of nuclear energy and related sciences are yielding significant innovations in the safety and economics of nuclear power, hybrid energy and medical applications – all for significant human health benefits.

TerraPower is seeking to hire highly motivated and forward-thinking professionals who are interested in focusing on advanced nuclear reactor research and development and influencing change within the nuclear power landscape and bringing forward the critical production of medical isotopes. TerraPower is an Equal Opportunity Employer. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state, or local law.

Principal Engineer, System Design

TerraPower, LLC. is seeking a Principal Engineer supporting the Natrium Demonstration Project. This role will support the ongoing design and delivery of the Natrium primary systems. The Natrium primary systems comprise those reactor systems responsible for heat transport, reactivity control, and containment of the reactor fuel and its coolant. You'll collaborate with project managers, design engineers, analysts, test engineers, and other engineering specialties in a high-performing, multi-disciplinary environment to deliver the Natrium primary systems.

Join us in this high impact role to help advance a first-of-a-kind nuclear reactor towards commercial development.

Responsibilities

Drive alignment across multidisciplinary engineering teams (nuclear, thermal hydraulic, mechanical, instrumentation and controls, civil-structural) to define and refine system requirements
Design nuclear and industrial mechanical systems, including: requirements definition, analysis, specifications, and system drawings.
Develop and maintain system architecture and design documentation (e.g., Design Basis Documents, P&IDs, Interface Control Documents).
Establish equipment design bases, including: regulatory criteria, regulatory standards, functional criteria, performance criteria, and failure mode and effects.
Evaluate technology development requirements and implement development programs for novel technologies or approaches.
Ensure designs consider lifecycle factors including operability, maintainability, and reliability.
Manage technical interfaces with suppliers, including review and verification of deliverables.
Prepare engineering change packages including calculations, design reports, design drawings, and design specifications
Promote continuous learning and application of nuclear industry best practices
Interface with and support licensing activities needed to obtain both the construction and operating licenses for the reactor systems
Participate in project design reviews at project milestones and periodic assessment points to verify compliance and completeness of design.

Key Qualifications and Skills

B.S. in Mechanical Engineering or related discipline from an accredited university
15+ years of relevant experience

Experience Level may be partially substituted for advanced degree depending on position relevance

Demonstrated experience in developing design of complex structures, multi-discipline integration, and mechanical pressure vessel equipment.
Strong understanding of configuration management principles, as well as knowledge of design control tools application on nuclear or similar complex industrial applications.
Previous experience with nuclear reactors and systems, high temperature pressure vessels, or similar system design is highly desired.
Experience working to quality standards on design activities, such as ASME NQA-1 or ISO 9001.
General or working knowledge of ASME BPVC Section III is highly desired.
Professional engineering licensure is desired but not required for this position.
Experience in originating and developing technical documentation to support system architecture is preferred.
Excellent technical writing, communication, and presentation skills.
Attention to detail and aspiration for technical excellence.
Candidate must be a self-starter and possess ability to coordinate and work within a design team with minimal direction.
Ability to handle projects that include many competing objectives and design constraints, with ability to resolve conflicts between objectives.
Ability to work on simultaneous tasks that require a multi-disciplinary approach.

This position is subject to qualification requirements in accordance with ANSI/ANS 3.1. Candidates must meet the minimum education and experience criteria applicable to the role, including relevant nuclear industry experience where required. Verification of data will be part of the hiring process.

Job Functions:

Motor Abilities: Sitting for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)
Physical exertion and/or requirements: Minimal, with ability to safely lift up to 25 pounds.
Repetitive work: Prolonged
Special Senses: Visual and audio focused work
Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of >8 hours/day
Travel required 0-10%

TerraPower's technology is controlled for export by various agencies of the U.S. Government. TerraPower must evaluate applicants who are foreign nationals (other than asylees, refugees, or lawful permanent residents) in accordance with U.S. Government export control requirements. To facilitate TerraPower's export control reviews, you will be asked as part of the application process to identify whether you are a U.S. Citizen or national, asylee, refugee, or lawful permanent resident of the United States. Government export authorization approval times vary. Based on the business needs for a particular position, TerraPower may not consider a foreign national from a country if it is impracticable to obtain timely Government export approval.

Job details

Salary Range: $168,316 - $252,475

Any salary offered within the posted salary band is based on market data and commensurate with the selected candidate's qualifications and experience. This range is specific to Washington State.

Benefits: